VDB-188078 · CVE-2021-43801 · GHSA-273r-rm8g-7f3x

Mercurius up to 8.11.1 on Fastify JSON /graphql unusual condition

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mercurius up to 8.11.1 on Fastify. Affected by this vulnerability is an unknown functionality of the file /graphql of the component JSON Handler. Such manipulation leads to unusual condition. This vulnerability is listed as CVE-2021-43801. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mercurius up to 8.11.1 on Fastify and classified as problematic. Affected by this issue is some unknown functionality of the file /graphql of the component JSON Handler. The manipulation with an unknown input leads to a unusual condition vulnerability. Using CWE to declare the problem leads to CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. Impacted is availability.

The weakness was presented 12/14/2021 as GHSA-273r-rm8g-7f3x. The advisory is available at github.com. This vulnerability is handled as CVE-2021-43801 since 11/16/2021. Technical details are known, but there is no available exploit.

Upgrading to version 8.11.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Mercurius

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mercurius 8.11.2
Patch: github.com

Timelineinfo

11/16/2021 🔍
12/14/2021 +28 days 🔍
12/14/2021 +0 days 🔍
12/16/2021 +2 days 🔍

Sourcesinfo

Advisory: GHSA-273r-rm8g-7f3x
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43801 (🔍)
GCVE (CVE): GCVE-0-2021-43801
GCVE (VulDB): GCVE-100-188078

Entryinfo

Created: 12/14/2021 08:06
Updated: 12/16/2021 11:46
Changes: 12/14/2021 08:06 (52), 12/16/2021 11:38 (2), 12/16/2021 11:46 (1)
Complete: 🔍
Cache ID: 216::103